5-Letter Words Matching R__L_

There are 20 5-letter words that match R__L_. 12 are common words, such as RAILS and RALLY. A rarer one is REFLY. In this set, E is the most frequent open letter (11 words). 5 words contain a doubled letter.

Full list 20

railsrallyrealmrealsreelsreplyrialsriflerillsroilsrollsrubleredlyrielsrillerobleroilyrotlsrawlyrefly

About this list

Words
20 (12 common words)
Common example
rails
Rare example
refly
Doubled letters
5
Ending in S
9
Most frequent letter
E (11)

Questions

How many 5-letter words matching r__l_ are there?

20. 12 of them are common words.

What is a common example?

RAILS is among the common words in this set.